Does the country publish full voter registers at the national level online?

On presidential elections in Turkmenistan

Article 28
Familiarization of citizens with the electoral register and the right to appeal against irregularities in the electoral register

28.1 Electoral registers shall be produced for general familiarization not later than 10 days before the elections, and for polling stations organized in sanatoriums, holiday homes and in-patient health facilities not later than two days before the elections.

28.2 Citizens shall be ensured the possibility to get familiarized with the electoral register and check the correctness of its compilation in the room for sitting of the election committee of the precinct.

On Elections of Deputies of the Mejlis of Turkmenistan

Article 27
Familiarisation of citizens with voter lists and the right to appeal against inaccuracies in a voter list

Voter lists shall be displayed for public familiarisation not later than 10 days before the election and in electoral precincts formed in sanatoriums, rest homes, and stationary establishments for medical treatment - not later than two days before the election.

Citizens shall be provided with an opportunity to familiarise themselves the voter list and to verify their accuracy at the premises of the precinct election commission.

The Central Election Commission of Turkmenistan has an official web site though it publishes voter registers the printed form in the local election committees or at the polling stations.